Math, asked by prakashg1104, 9 months ago


Find the equation of a straight line through the intersection of lines 5x - 6y = 2,
3x + 2y = 10 and perpendicular to the line 4x - 7y +13 = 0

Answers

Answered by Anonymous
8

given \: lines \: 5x - 6y = 2 \: and \: 3x + 2y = 10

5x - 6y - 2 = 0 ..........(i)

3x + 2y - 10 = 0..........(ii)

Doing, (i)×1+(ii)×3

we get, x=−1

Replacing value of x in the equations we have, y=−1

∴ the lines intesect at (−1,−1)

The slope of the line 3x−5y+11=0 is \frac{3}{5}

So, the slope of a line perpendicular to it is

 \frac{ - 5}{3}

Hence, the equation of the required line is

y - ( - 1) =  \frac{ - 5}{3} (x - ( - 1))

 =  > y + 1 =  \frac{ - 5}{3} (x + 1)

 =  > 5x + 3y + 8 = 0

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